Vending machine



FIG. 1 is a top front and left side perspective view of a vending machine, showing my new design, the broken lines indicating a base and stand are shown for illustrative purposes only;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a rear elevational view thereof; and

FIG. 4 is a top plan view thereof. 

The ornamental design of a vending machine, as shown and described. 